<style>
  body {
    font-family: sans-serif;
  }
  html,
  body,
  #storybook-root,
  #sigma-container {
    width: 100%;
    height: 100%;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden;
  }
  #controls {
    position: absolute;
    right: 1em;
    top: 1em;
    text-align: right;
  }
  .input {
    position: relative;
    display: inline-block;
    vertical-align: middle;
  }
  .input:not(:hover) label {
    display: none;
  }
  .input label {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: black;
    color: white;
    padding: 0.2em;
    border-radius: 2px;
    margin-top: 0.3em;
    font-size: 0.8em;
    white-space: nowrap;
  }
  .input button {
    width: 2.5em;
    height: 2.5em;
    display: inline-block;
    text-align: center;
    background: white;
    outline: none;
    border: 1px solid dimgrey;
    border-radius: 2px;
    cursor: pointer;
  }
</style>
<div id="sigma-container"></div>
<div id="controls">
  <div class="input"><label for="zoom-in">Zoom in</label><button id="zoom-in">+</button></div>
  <div class="input"><label for="zoom-out">Zoom out</label><button id="zoom-out">-</button></div>
  <div class="input"><label for="zoom-reset">Reset zoom</label><button id="zoom-reset">⊙</button></div>
  <div class="input">
    <label for="labels-threshold">Labels threshold</label>
    <input id="labels-threshold" type="range" min="0" max="15" step="0.5" />
  </div>
</div>
